EP2741978B1 - Conveyor belt system - Google Patents

Conveyor belt system Download PDF

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Publication number
EP2741978B1
EP2741978B1 EP12745869.3A EP12745869A EP2741978B1 EP 2741978 B1 EP2741978 B1 EP 2741978B1 EP 12745869 A EP12745869 A EP 12745869A EP 2741978 B1 EP2741978 B1 EP 2741978B1
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EP
European Patent Office
Prior art keywords
conveyor belt
support
support rollers
circumferential direction
roller
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EP12745869.3A
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German (de)
French (fr)
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EP2741978A1 (en
Inventor
Viktor Raaz
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ThyssenKrupp Industrial Solutions AG
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ThyssenKrupp Industrial Solutions AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/08—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration the load-carrying surface being formed by a concave or tubular belt, e.g. a belt forming a trough

Definitions

  • the invention relates to a conveyor belt system with a longitudinally extending conveyor belt and spaced apart along the conveyor belt support roller assemblies, each having at least four distributed around the outer circumference of the conveyor belt support rollers, wherein the conveyor belt by an annular positioning of the support rollers of the support roller assemblies to a tube with overlapping Edges is shaped.
  • Conveyor belt systems are used for the transport of various goods, such as overburden, ores, fuels, building materials or the like.
  • the conveyor belts are often in the form of a trough on perpendicular to the conveying direction support rollers or run to form a tube by support roller assemblies, each with a plurality of annularly arranged support rollers.
  • the present invention relates to an embodiment in which the support roller assemblies in the form of carrying roller stations, Tragrollengirlanden or Tragrollenstühlen each have at least four support rollers. With these at least four support rollers on each support roller assembly of the conveyor belt is formed into a tube.
  • conveyor belt systems are also known from practice, in which the conveyor belt which overlaps at its lateral ends has an oval shape widened in the lateral direction relative to the circular shape and flatter in height.
  • the light profile limited by the support rollers of a support roller arrangement is symmetrical with respect to a horizontal and a vertical plane.
  • the radial distances from the center of gravity of the light profile that is, the light profile center to the roller shell surface is the same for all support rollers, have in the oval-shaped arrangement, the two horizontally disposed support rollers, ie the lowest support roller and the top support roller , a smaller radial distance to the center of gravity, than the other four inclined support rollers on.
  • the present invention seeks to provide a conveyor belt system having balanced properties in terms of torsional stability and resistance to movement.
  • the object is oiled according to the invention by a winningguntonlage with the Merkamalen of claim 1.
  • the Gurtquerbiegeenergy to improve the running characteristics and the rotation safety is taken into account.
  • no one is substantially mirror-symmetrical with respect to a vertical axis Design selected. Rather, the distance between the center of gravity seen in the circumferential direction, that is, from the inner edge to the outer edge relative to the conveyor belt or on the support rollers to.
  • the conveyor belt is urged into a position where the Gurtquerbiege energie is minimal, that is, the belt tries to take the largest possible radius, which is why this tends to rotate in the direction of the outer edge in the circumferential direction. Since the overlap region rests against the last carrying roller seen in the circumferential direction, the outer edge of the conveyor belt is therefore urged in the direction of the adjacent first carrying roller. Since the first support roller is considerably angled relative to a last support roller, the first support roller for the outer edge of the conveyor belt acts as a kind of stop. According to the embodiment of the invention, the entire conveyor belt in the circumferential direction such a sense of rotation is impressed such that the outer edge is held at the transition between the first and the last support roller.
  • the belt itself ultimately determines the position of the rollers
  • the belt is imparted by the arrangement of the support rollers a sense of rotation with which the outer edge of the conveyor belt in the overlap region is pressed at an angle to the first support roller , which then acts as a stop.
  • the first support roller must also absorb increased forces, because the outer edge of the conveyor belt additionally presses against this support roller due to the impressed direction of rotation. Also with an oval arrangement of the support rollers according to the WO 92/02439 A1 the arrangement of the support rollers according to the invention can not be realized.
  • the distance of the circumferentially successive carrying rollers to the center of gravity may increase continuously either by an equal amount or by a variable amount.
  • the idlers are arranged starting from a uniform idler diameter along an arithmetic spiral.
  • a first and second support roller are arranged at the same support roller diameter along a circular arc and that at least the last in the circumferential direction support roller relative to the circular arc radially is arranged offset outwards. If only one or only a part of the support rollers is offset outwards, results compared to known conveyor belt systems less effort for the adjustment. In particular, a subsequent conversion is to be considered.
  • the winding direction of the conveyor belt must be considered in cross-section exactly.
  • the conveyor belt is usually made of a flexible base material, in particular rubber, as well as in the base material traction means such as wires or ropes formed, which are also referred to as Gurtzugmie.
  • the conveyor belt over its entire width the same traction means at a constant distance.
  • traction means such as wires or ropes formed, which are also referred to as Gurtzugmie.
  • the conveyor belt over its entire width the same traction means at a constant distance.
  • centering in a desired position by a suitable positioning of the support rollers of the support roller assembly can take place.
  • there is also the possibility of influencing the running properties of the conveyor belt by a different design of the traction means along the cross section and / or by changing the density of traction means.
  • a conveyor belt system in the invention includes a running in a longitudinal direction of the conveyor belt 1 and along the conveyor belt 1 spaced support roller assemblies 2.
  • the support rollers 3a, 3b, 3c, 3d of the support roller assembly 2 are arranged annularly to the conveyor belt 1 to form a closed tube.
  • the Fig. 2 and 3 show alternative embodiments of the conveyor belt system with respect to a vertical axis asymmetric arrangement of the support rollers 3.1, 3.2, 3.3, 3.4, 3.5, 3.6.
  • the conveyor belt 1 extends as seen in cross-section from the edge 4 a lying on the overlap in one Circumferential direction U to the outer edge 4b, wherein the edges 4a, 4b overlap on the last support roller 3.6 seen in the circumferential direction U.
  • the distance r.6 between the last seen in the circumferential direction U support roller 3.6 and a center of gravity of the support rollers 3.1, 3.2, 3.3, 3.4, 3.5, 3.6 limited light profile is greater than the corresponding distance r.1 of the circumferentially U adjacent the first support roller 3.1. Seen in the circumferential direction U thus expands the conveyor belt 1 enclosing cross section, so that the conveyor belt is urged in the circumferential direction U. In this case, the outer edge 4b is pressed against the first support roller 3.1, which acts as a stop. The conveyor belt 1 is thus urged in the circumferential direction in a certain position and kept stable there.
  • the idlers 3.1, 3.2, 3.3, 3.4, 3.5, 3.6 are arranged along an arithmetic spiral, the distance r.1, r.2, r.3, r.4, r.5, r.6 increases uniformly.
  • Fig. 3 shows an alternative embodiment, which is not part of the claimed invention, in which the first three support rollers 3.1, 3.2, 3.3 lie on a circular arc, while then for the other support rollers 3.4, 3.5, 3.6 an increasing distance r.4, r.5 , r.6 is provided.
  • Decisive in the context of the invention is the shape of the light profile, ie the distance from the center of gravity to the surface of the support rollers 3.1, 3.2, 3.3, 3.4, 3.5, 3.6.
  • the distance to the roller axis is shown in the figures with a uniform roller diameter.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Belt Conveyors (AREA)

Description

Die Erfindung betrifft eine Fördergurtanlage mit einem in eine Längsrichtung verlaufenden Fördergurt und mit voneinander entlang des Fördergurtes beabstandeten Tragrollenanordnungen, die jeweils zumindest vier um den Außenumfang des Fördergurtes verteilte Tragrollen aufweisen, wobei der Fördergurt durch eine ringförmige Positionierung der Tragrollen der Tragrollenanordnungen zu einem Schlauch mit überlappenden Rändern geformt ist.The invention relates to a conveyor belt system with a longitudinally extending conveyor belt and spaced apart along the conveyor belt support roller assemblies, each having at least four distributed around the outer circumference of the conveyor belt support rollers, wherein the conveyor belt by an annular positioning of the support rollers of the support roller assemblies to a tube with overlapping Edges is shaped.

Fördergurtanlagen kommen für den Transport verschiedenster Güter, wie beispielsweise Abraum, Erze, Brennstoffe, Baustoffe oder dergleichen zum Einsatz. Hierbei liegen die Fördergurte oft in Form einer Mulde auf senkrecht zur Förderrichtung stehenden Tragrollen auf oder laufen zu einem Schlauch geformt durch Tragrollenanordnungen mit jeweils mehreren ringförmig angeordneten Tragrollen.Conveyor belt systems are used for the transport of various goods, such as overburden, ores, fuels, building materials or the like. In this case, the conveyor belts are often in the form of a trough on perpendicular to the conveying direction support rollers or run to form a tube by support roller assemblies, each with a plurality of annularly arranged support rollers.

Während einfache Fördergurtanlagen mit einem muldenförmig geführten Fördergurt in der Regel Tragrollenanordnungen mit jeweils drei Tragrollen, das heißt einer mittleren Tragrolle und zwei seitlichen Tragrollen, aufweisen, bezieht sich die vorliegende Erfindung auf eine Ausgestaltung, bei der die Tragrollenanordnungen in Form von Tragrollenstationen, Tragrollengirlanden oder Tragrollenstühlen jeweils zumindest vier Tragrollen aufweisen. Mit diesen zumindest vier Tragrollen an jeder Tragrollenanordnung ist der Fördergurt zu einem Schlauch geformt.While simple conveyor belt systems with a trough-shaped conveyor belt usually support roller assemblies each having three support rollers, that is, a central support roller and two side support rollers exhibit, the present invention relates to an embodiment in which the support roller assemblies in the form of carrying roller stations, Tragrollengirlanden or Tragrollenstühlen each have at least four support rollers. With these at least four support rollers on each support roller assembly of the conveyor belt is formed into a tube.

Aus der DE 10 2009 043 904 A1 sowie der US 2010/0018841 A1 sind Fördergurtanlagen bekannt, bei denen die Tragrollenanordnung jeweils sechs auf einem Kreisring angeordnete Tragrollen aufweisen, so dass der Fördergurt in etwa eine Kreisringform aufweist. Je nach Festigkeit und Biegsamkeit des Fördergurtes wird an den Tragrollenanordnungen die Form eines Vielecks angenommen, weil sich der Fördergurt abschnittsweise eben an die Tragrollen anlegt. Ansonsten ergibt sich aber um den Umfang eine gleichmäßige Kontur.From the DE 10 2009 043 904 A1 as well as the US 2010/0018841 A1 Conveyor belt systems are known in which the support roller assembly each have six arranged on a circular ring support rollers, so that the conveyor belt has approximately a circular ring shape. Depending on the strength and flexibility of the conveyor belt is assumed on the support roller assemblies the shape of a polygon, because the conveyor belt sections just applies to the support rollers. Otherwise, however, there is a uniform contour around the circumference.

Neben der beschriebenen, im Wesentlichen kreisförmigen Anordnung sind aus der Praxis auch Fördergurtanlagen bekannt, bei denen der sich an seinen seitlichen Enden überlappende Fördergurt eine gegenüber der Kreisform in seitlicher Richtung verbreiterte und in der Höhe flachere Ovalform aufweist. Bei den bekannten kreisförmigen und ovalförmigen Anordnungen ist das durch die Tragrollen einer Tragrollenanordnung begrenzte Lichtprofil bezüglich einer horizontalen sowie einer vertikalen Ebene symmetrisch. Während bei der kreisförmigen Anordnung der Tragrollen die radialen Abstände von dem Schwerpunkt des Lichtprofils, das heißt der Lichtprofilmitte bis zu der Rollenmanteloberfläche, bei allen Tragrollen gleich ist, weisen bei der ovalförmigen Anordnung die beiden horizontal angeordneten Tragrollen, also die unterste Tragrolle und die oberste Tragrolle, einen geringeren radialen Abstand zu dem Schwerpunkt auf, als die übrigen vier schräg angeordneten Tragrollen auf.In addition to the described, substantially circular arrangement, conveyor belt systems are also known from practice, in which the conveyor belt which overlaps at its lateral ends has an oval shape widened in the lateral direction relative to the circular shape and flatter in height. In the known circular and oval-shaped arrangements, the light profile limited by the support rollers of a support roller arrangement is symmetrical with respect to a horizontal and a vertical plane. While in the circular arrangement of the support rollers, the radial distances from the center of gravity of the light profile, that is, the light profile center to the roller shell surface is the same for all support rollers, have in the oval-shaped arrangement, the two horizontally disposed support rollers, ie the lowest support roller and the top support roller , a smaller radial distance to the center of gravity, than the other four inclined support rollers on.

Aus der JP 2000118657 A1 ist eine Fördergurtanlage mit schwenkförmig angeordneten Tragräumen bekannt, die jeweils senkrecht zu ihrer Drehachse verstellbar sind, so dass das von den Tragrollen gebildete Lichtprofil veränderlich ist. Das Profil der Tragrollen wird dabei gewissermaßen von dem Fördergurt und dem darin transportierten Material vorgegeben. Insbesondere kann sich eine Ovalform mit einer vertikalen Ausrichtung ergeben, wobei durch die bewegliche Anordnung der Tragrollen möglichst gleichmäßige Kräfte auf den Fördergurt ausgeübt werden sollen. Es ist damit nicht vorgesehen, den Fördergurt bewusst zu zwängen oder zu verdrehen. Gemäß dem Ausführungsbeispiel liegt der Überlappungsbereich des umfangsseitig geschlossenen Fördergurtes flach an einer der Tragrollen an.From the JP 2000118657 A1 is a conveyor belt system with pivotally arranged support spaces known which are each adjustable perpendicular to its axis of rotation, so that the light profile formed by the support rollers is variable. The profile of the support rollers is given to a certain extent by the conveyor belt and the material transported therein. In particular, an oval shape can result with a vertical orientation, wherein as uniform as possible forces are to be exerted on the conveyor belt by the movable arrangement of the support rollers. It is therefore not intended to deliberately squeeze or twist the conveyor belt. According to the exemplary embodiment, the overlapping region of the conveyor belt which is closed on the circumference lies flat against one of the carrying rollers.

Auch aus der WO 92/02439 A1 ist ein Fördergurt mit verstellbaren Tragrollen bekannt, die in einer Ovalform mit horizontaler Ausrichtung angeordnet sind.Also from the WO 92/02439 A1 is known a conveyor belt with adjustable support rollers, which are arranged in an oval shape with a horizontal orientation.

Bei dem Betrieb einer Fördergurtanlage sind die Verdrehstabilität des Fördergurtes, insbesondere des leeren Fördergurtes, sowie der mit einem entsprechenden Antrieb zu überwindende Bewegungswiderstand maßgebliche Eigenschaften. Bei einem Vergleich einer kreisförmigen Anordnung des Fördergurtes einerseits und einer ovalförmigen Anordnung andererseits ist festzustellen, dass bei der ovalförmigen Anordnung zwar eine besserer Verdrehstabilität beobachtet wird, wobei allerdings der Bewegungswiderstand erhöht ist.In the operation of a conveyor belt system, the torsional stability of the conveyor belt, in particular of the empty conveyor belt, as well as the resistance to be overcome with a corresponding drive resistance are decisive properties. In a comparison of a circular arrangement of the conveyor belt on the one hand and an oval-shaped arrangement on the other hand, it should be noted that in the oval-shaped arrangement, although a better Verdrehstabilität is observed, however, the resistance to movement is increased.

Aus der JP 60 048808 A ist eine Fördergurtanlage nach dem Oberbegriff des Ansprunch 1 bekannt. In dieser Fördergurtanlage haben die beidenhorizontal angeordneten Tragrollen einen geringeren Abstand zu dem Schmerpankt, als die unterste und die oberste Tragrolle.From the JP 60 048808 A is a conveyor belt system according to the preamble of Ansprunch 1 known. In this conveyor belt system, the two horizontally arranged support rollers have a smaller distance to the Schmerpankt, as the lowest and the upper support roller.

Vor diesem Hintergrund liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine Fördergurtanlage anzugeben, die ausgewogene Eigenschaften hinsichtlich der Verdrehstabilität sowie des Bewegungswiderstandes aufweist.Against this background, the present invention seeks to provide a conveyor belt system having balanced properties in terms of torsional stability and resistance to movement.

Ausgehend von einer Fördergurtanlage mit den eingangs beschriebenen Merkmalen wird die Aufgabe erfindungsgemäß durch eine Förderguntonlage mit den Merkamalen des Anspruchs 1 gelölt. Gemäß dieser Ausgestaltung wird ausgehend von einer bekannten Gurtförderanlage die Gurtquerbiegeenergie zur Verbesserung der Laufeigenschaften und der Drehsicherheit berücksichtigt. Allerdings wird keine bezüglich einer vertikalen Achse im Wesentlichen spiegelsymmetrische Ausgestaltung gewählt. Vielmehr nimmt der Abstand zwischen dem Schwerpunkt in Umfangsrichtung gesehen, das heißt von dem innen liegenden Rand zu dem außen liegenden Rand bezogen auf den Fördergurt bzw. auf die Tragrollen zu.Starting from a conveyor belt system with the features described above, the object is oiled according to the invention by a Förderguntonlage with the Merkamalen of claim 1. According to this embodiment, starting from a known belt conveyor the Gurtquerbiegeenergie to improve the running characteristics and the rotation safety is taken into account. However, no one is substantially mirror-symmetrical with respect to a vertical axis Design selected. Rather, the distance between the center of gravity seen in the circumferential direction, that is, from the inner edge to the outer edge relative to the conveyor belt or on the support rollers to.

Aus energetischen Gründen wird der Fördergurt in eine Position gedrängt, bei der die Gurtquerbiegeenergie minimal ist, das heißt der Gurt versucht einen möglichst großen Radius einzunehmen, weshalb dieser dazu neigt sich in Richtung des außen liegenden Randes in Umfangsrichtung zu drehen. Da der Überlappungsbereich an der in Umfangsrichtung gesehen letzten Tragrolle anliegt, wird der außen liegende Rand des Fördergurtes also in Richtung der daneben liegenden ersten Tragrolle gedrängt. Da die erste Tragrolle gegenüber einer letzten Tragrolle erheblich abgewinkelt ist, wirkt die erste Tragrolle für den außen liegenden Rand des Fördergurtes als eine Art Anschlag. Gemäß der erfindungsgemäßen Ausgestaltung wird dem gesamten Fördergurt in Umfangsrichtung derart ein Drehsinn aufgeprägt, dass der außen liegende Rand an dem Übergang zwischen der ersten und der letzten Tragrolle gehalten wird.For energetic reasons, the conveyor belt is urged into a position where the Gurtquerbiegeenergie is minimal, that is, the belt tries to take the largest possible radius, which is why this tends to rotate in the direction of the outer edge in the circumferential direction. Since the overlap region rests against the last carrying roller seen in the circumferential direction, the outer edge of the conveyor belt is therefore urged in the direction of the adjacent first carrying roller. Since the first support roller is considerably angled relative to a last support roller, the first support roller for the outer edge of the conveyor belt acts as a kind of stop. According to the embodiment of the invention, the entire conveyor belt in the circumferential direction such a sense of rotation is impressed such that the outer edge is held at the transition between the first and the last support roller.

Damit liegt ein grundlegend anderer Ansatz als bei der Ausgestaltung vor, die aus der JP 2000118657 A bekannt ist. Während gemäß dem Stand der Technik der Gurt letztlich selbst die Position der Rollen vorgibt, wird gemäß der vorliegenden Erfindung dem Gurt durch die Anordnung der Tragrollen ein Drehsinn aufgeprägt, mit dem der im Überlappungsbereich außenliegende Rand des Fördergurtes in einem Winkel gegen die erste Tragrolle gedrückt wird, welche dann als Anschlag wirkt.This is a fundamentally different approach than in the embodiment, which from the JP 2000118657 A is known. While according to the prior art, the belt itself ultimately determines the position of the rollers, according to the present invention, the belt is imparted by the arrangement of the support rollers a sense of rotation with which the outer edge of the conveyor belt in the overlap region is pressed at an angle to the first support roller , which then acts as a stop.

Eine derartige Aufbringung des Drehsinnes kann sich nicht ergeben, wenn die Ausrichtung der Tragrollen von dem Fördergurt selbst vorgegeben wird.Such an application of the sense of rotation can not arise if the orientation of the support rollers is determined by the conveyor belt itself.

Insbesondere muss im Rahmen der vorliegenden Erfindung die erste Tragrolle auch erhöhte Kräfte aufnehmen, weil der außenliegende Rand des Fördergurtes durch den aufgeprägten Drehsinn zusätzlich gegen diese Tragrolle drückt. Auch mit einer ovalen Anordnung der Tragrollen gemäß der WO 92/02439 A1 ist die erfindungsgemäße Anordnung der Tragrollen nicht zu verwirklichen.In particular, in the context of the present invention, the first support roller must also absorb increased forces, because the outer edge of the conveyor belt additionally presses against this support roller due to the impressed direction of rotation. Also with an oval arrangement of the support rollers according to the WO 92/02439 A1 the arrangement of the support rollers according to the invention can not be realized.

Ausgehend von diesem erfindungsgemäßen Prinzip ergeben sich unterschiedliche Ausgestaltungsmöglichkeiten für die Anordnung der Tragrollen. So kann der Abstand der in Umfangsrichtung aufeinander folgenden Tragrollen zu dem Schwerpunkt kontinuierlich entweder um einen gleichen Betrag oder um einen variablen Betrag zunehmen. Wenn eine gleichmäßige Zunahme vorliegt, sind die Tragrollen ausgehend von einem einheitlichen Tragrollendurchmesser entlang einer arithmetischen Spirale angeordnet.Starting from this principle according to the invention, different design options for the arrangement of the support rollers arise. Thus, the distance of the circumferentially successive carrying rollers to the center of gravity may increase continuously either by an equal amount or by a variable amount. When there is a uniform increase, the idlers are arranged starting from a uniform idler diameter along an arithmetic spiral.

In einer Ausführungsfrom, die kein Teil der beansprunchten Erfindung ist, besteht aber auch die Möglichkeit, dass zumindest in Umfangsrichtung gesehen eine erste und zweite Tragrolle bei einem gleichen Tragrollendurchmesser entlang eines Kreisbogens angeordnet sind und dass zumindest die in Umfangsrichtung gesehen letzte Tragrolle gegenüber dem Kreisbogen radial nach außen versetzt angeordnet ist. Wenn lediglich eine oder nur ein Teil der Tragrollen nach außen versetzt ist, ergibt sich gegenüber bekannten Fördergurtanlagen ein geringerer Aufwand für die Anpassung. Insbesondere ist auch ein nachträglicher Umbau in Betracht zu ziehen.In one embodiment, which is not part of the claimed invention, there is also the possibility that, viewed at least in the circumferential direction, a first and second support roller are arranged at the same support roller diameter along a circular arc and that at least the last in the circumferential direction support roller relative to the circular arc radially is arranged offset outwards. If only one or only a part of the support rollers is offset outwards, results compared to known conveyor belt systems less effort for the adjustment. In particular, a subsequent conversion is to be considered.

Im Rahmen der erfindungsgemäßen Ausgestaltung muss die Wickelrichtung des Fördergurtes im Querschnitt genau berücksichtigt werden.In the context of the embodiment according to the invention, the winding direction of the conveyor belt must be considered in cross-section exactly.

Der Fördergurt ist üblicherweise aus einem flexiblen Grundmaterial, insbesondere Gummi, sowie in dem Grundmaterial eingebetteten Zugmitteln wie Drähten oder Seilen gebildet, die auch als Gurtzugträger bezeichnet werden. Im einfachsten Fall weist der Fördergurt über seine gesamte Breite gleiche Zugmittel mit einem konstanten Abstand auf. Bei einem solchen einfachen Fördergurt kann eine Zentrierung in einer Soll-Lage durch eine geeignete Positionierung der Tragrollen der Tragrollenanordnung erfolgen. Darüber hinaus besteht aber auch die Möglichkeit durch eine unterschiedliche Ausgestaltung der Zugmittel entlang des Querschnittes und/oder durch eine Veränderung der Dichte an Zugmitteln die Laufeigenschaften des Fördergurtes zu beeinflussen.The conveyor belt is usually made of a flexible base material, in particular rubber, as well as in the base material traction means such as wires or ropes formed, which are also referred to as Gurtzugträger. In the simplest case, the conveyor belt over its entire width the same traction means at a constant distance. In such a simple conveyor belt centering in a desired position by a suitable positioning of the support rollers of the support roller assembly can take place. In addition, there is also the possibility of influencing the running properties of the conveyor belt by a different design of the traction means along the cross section and / or by changing the density of traction means.

Die Erfindung wird im Folgenden anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung erläutert. Es zeigen:

Fig. 1
den prinzipiellen Aufbau einer Fördergurtanlage in einer Seitenansicht,
Fig. 2 und 3
Querschnitte durch eine erfindungsgemäße Fördergurtanlage im Bereich einer Tragrolleanordnung.
The invention will be explained in the following with reference to a drawing showing only one exemplary embodiment. Show it:
Fig. 1
the basic structure of a conveyor belt system in a side view,
FIGS. 2 and 3
Cross sections through a conveyor belt system according to the invention in the region of a carrying roller arrangement.

Zum grundsätzlichen Aufbau einer Fördergurtanlage gehört im Rahmen der Erfindung ein in eine Längsrichtung verlaufender Fördergurt 1 sowie entlang des Fördergurtes 1 voneinander beabstandete Tragrollenanordnungen 2. In dem dargestellten Ausführungsbeispiel sind die Tragrollen 3a, 3b, 3c, 3d der Tragrollenanordnung 2 ringförmig angeordnet, um den Fördergurt 1 zu einem geschlossenen Schlauch zu formen.For the basic structure of a conveyor belt system in the invention includes a running in a longitudinal direction of the conveyor belt 1 and along the conveyor belt 1 spaced support roller assemblies 2. In the illustrated embodiment, the support rollers 3a, 3b, 3c, 3d of the support roller assembly 2 are arranged annularly to the conveyor belt 1 to form a closed tube.

Die Fig. 2 und 3 zeigen alternative Ausgestaltungen der Fördergurtanlage mit einer bezüglich einer vertikalen Achse asymmetrischen Anordnung der Tragrollen 3.1, 3.2, 3.3, 3.4, 3.5, 3.6. Der Fördergurt 1 erstreckt sich im Querschnitt gesehen von dem an der Überlappung innen liegenden Rand 4a in einer Umfangsrichtung U zu dem außen liegenden Rand 4b, wobei sich die Ränder 4a, 4b an der in Umfangsrichtung U gesehen letzten Tragrolle 3.6 überlappen. Der Abstand r.6 zwischen der in Umfangsrichtung U gesehen letzten Tragrolle 3.6 und einem Schwerpunkt des von den Tragrollen 3.1, 3.2, 3.3, 3.4, 3.5, 3.6 begrenzten Lichtprofils ist größer als der entsprechende Abstand r.1 der in Umfangsrichtung U benachbarten ersten Tragrolle 3.1. In Umfangsrichtung U gesehen erweitert sich damit der den Fördergurt 1 einschließende Querschnitt, so dass der Fördergurt in Umfangsrichtung U gedrängt wird. Dabei wird der außen liegende Rand 4b gegen die erste Tragrolle 3.1 gedrückt, welche als Anschlag wirkt. Der Fördergurt 1 wird damit in Umfangsrichtung in eine bestimmte Position gedrängt und dort stabil gehalten.The Fig. 2 and 3 show alternative embodiments of the conveyor belt system with respect to a vertical axis asymmetric arrangement of the support rollers 3.1, 3.2, 3.3, 3.4, 3.5, 3.6. The conveyor belt 1 extends as seen in cross-section from the edge 4 a lying on the overlap in one Circumferential direction U to the outer edge 4b, wherein the edges 4a, 4b overlap on the last support roller 3.6 seen in the circumferential direction U. The distance r.6 between the last seen in the circumferential direction U support roller 3.6 and a center of gravity of the support rollers 3.1, 3.2, 3.3, 3.4, 3.5, 3.6 limited light profile is greater than the corresponding distance r.1 of the circumferentially U adjacent the first support roller 3.1. Seen in the circumferential direction U thus expands the conveyor belt 1 enclosing cross section, so that the conveyor belt is urged in the circumferential direction U. In this case, the outer edge 4b is pressed against the first support roller 3.1, which acts as a stop. The conveyor belt 1 is thus urged in the circumferential direction in a certain position and kept stable there.

Gemäß der Fig. 2 sind die Tragrollen 3.1, 3.2, 3.3, 3.4, 3.5, 3.6 entlang einer arithmetischen Spirale angeordnet, wobei der Abstand r.1, r.2, r.3, r.4, r.5, r.6 gleichmäßig zunimmt.According to the Fig. 2 the idlers 3.1, 3.2, 3.3, 3.4, 3.5, 3.6 are arranged along an arithmetic spiral, the distance r.1, r.2, r.3, r.4, r.5, r.6 increases uniformly.

Fig. 3 zeigt eine alternative Ausgestaltung, die kein Teil der beanspruchten Erfindung ist, bei der die ersten drei Tragrollen 3.1, 3.2, 3.3 auf einem Kreisbogen liegen, während dann für die weiteren Tragrollen 3.4, 3.5, 3.6 ein zunehmender Abstand r.4, r.5, r.6 vorgesehen ist. Fig. 3 shows an alternative embodiment, which is not part of the claimed invention, in which the first three support rollers 3.1, 3.2, 3.3 lie on a circular arc, while then for the other support rollers 3.4, 3.5, 3.6 an increasing distance r.4, r.5 , r.6 is provided.

Ausschlaggebend ist im Rahmen der Erfindung die Form des Lichtprofils, also der Abstand von dem Schwerpunkt zu der Oberfläche der Tragrollen 3.1, 3.2, 3.3, 3.4, 3.5, 3.6. Aus Gründen der besseren Darstellbarkeit ist in den Figuren bei einem einheitlichen Rollendurchmesser der Abstand zu der Rollenachse dargestellt.Decisive in the context of the invention is the shape of the light profile, ie the distance from the center of gravity to the surface of the support rollers 3.1, 3.2, 3.3, 3.4, 3.5, 3.6. For reasons of better representability, the distance to the roller axis is shown in the figures with a uniform roller diameter.

Claims (4)

  1. A conveyor belt system having a conveyor belt running in the longitudinal direction and having support-roller arrangements (2) spaced from one another along the conveyor belt (1), which have at least four support rollers (3.1, 3.2, 3.3, 3.4, 3.5, 3.6) distributed around the outer periphery of the conveyor belt (1) in each case, wherein the conveyor belt (1) is shaped by means of an annular positioning of the support rollers (3.1, 3.2, 3.3, 3.4, 3.5, 3.6) of the support-roller arrangements (2) to form a hose with overlapping edges (4a, 4b), and wherein, as seen in cross section, the conveyor belt (1) extends from the edge (4a) located on the inside at the overlap in a circumferential direction (U) to the edge (4b) located on the outside, and the edges (4a, 4b) overlap at a last support roller (3.6) as seen in the circumferential direction (U), wherein the spacing (r.6) between the last support roller (3.6) as seen in the circumferential direction (U) and a focus of the light profile delimited by the support rollers (3.1, 3.2, 3.3, 3.4, 3.5, 3.6) is larger than the corresponding spacing (r.1) of the adjacent first support roller (3.1) in the circumferential direction (U),
    characterised in that the spacing (r.1, r.2, r.3, r.4, r.5, r.6) of the successive support rollers (3.1, 3.2, 3.3, 3.4, 3.5, 3 6) in the circumferential direction (U) increases continuously to the focus.
  2. The conveyor belt system according to Claim 1, characterised in that the support rollers (3.1, 3.2, 3.3, 3.4, 3.5, 3.6) are arranged along an arithmetic spiral.
  3. The conveyor belt system according to Claim 1 or 2, characterised in that the support-roller arrangements (2) have six support rollers (3a, 3b, 3c, 3d; 3.1, 3.2, 3.3, 3.4, 3.5, 3.6) in each case.
  4. The conveyor belt system according to one of Claims 1 to 3, characterised in that the conveyor belt (1) is formed from a flexible base material and tensioning means embedded therein.
EP12745869.3A 2011-08-12 2012-08-10 Conveyor belt system Not-in-force EP2741978B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011052697A DE102011052697A1 (en) 2011-08-12 2011-08-12 conveyor belt system
PCT/EP2012/065741 WO2013024050A1 (en) 2011-08-12 2012-08-10 Conveyor belt system

Publications (2)

Publication Number Publication Date
EP2741978A1 EP2741978A1 (en) 2014-06-18
EP2741978B1 true EP2741978B1 (en) 2016-06-08

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EP12745869.3A Not-in-force EP2741978B1 (en) 2011-08-12 2012-08-10 Conveyor belt system

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US (1) US9010526B2 (en)
EP (1) EP2741978B1 (en)
CN (1) CN103717513A (en)
BR (1) BR112014002358A2 (en)
DE (1) DE102011052697A1 (en)
WO (1) WO2013024050A1 (en)

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CN104016096A (en) * 2014-05-04 2014-09-03 洛阳豫新工程技术有限公司 Adjustable circle forming device for tubular belt conveyor
CN106927218A (en) * 2017-05-16 2017-07-07 武夷学院 For the automatically deviation-adjusting device of pipe conveyer
DE102019208488A1 (en) 2019-06-12 2020-12-17 Thyssenkrupp Ag Support rollers for conveyor belt systems
CN113233084B (en) * 2021-05-17 2022-09-20 福建龙净环保股份有限公司 Pipe belt machine clamping device, pipe belt machine and pipe belt adjusting method

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Also Published As

Publication number Publication date
BR112014002358A2 (en) 2017-02-21
DE102011052697A1 (en) 2013-02-14
WO2013024050A1 (en) 2013-02-21
CN103717513A (en) 2014-04-09
US9010526B2 (en) 2015-04-21
EP2741978A1 (en) 2014-06-18
US20140190798A1 (en) 2014-07-10

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